/*
 * This source file is part of the bstring string library.  This code was
 * written by Paul Hsieh in 2002-2010, and is covered by either the 3-clause
 * BSD open source license or GPL v2.0. Refer to the accompanying documentation
 * for details on usage and license.
 */

/*
 * bsafe.c
 *
 * This is an optional module that can be used to help enforce a safety
 * standard based on pervasive usage of bstrlib.  This file is not necessarily
 * portable, however, it has been tested to work correctly with Intel's C/C++
 * compiler, WATCOM C/C++ v11.x and Microsoft Visual C++.
 */

#include <stdio.h>
#include <stdlib.h>
#include "bsafe.h"

#if 0
static int bsafeShouldExit = 1;

char * strcpy(char *dst, const char *src);
char * strcat(char *dst, const char *src);

char * strcpy(char *dst, const char *src)
{
    dst = dst;
    src = src;
    fprintf(stderr, "bsafe error: strcpy() is not safe, use bstrcpy instead.\n");
    if (bsafeShouldExit) exit(-1);
    return NULL;
}

char * strcat(char *dst, const char *src)
{
    dst = dst;
    src = src;
    fprintf(stderr, "bsafe error: strcat() is not safe, use bstrcat instead.\n");
    if (bsafeShouldExit) exit(-1);
    return NULL;
}

#if !defined(__GNUC__) && (!defined(_MSC_VER) || (_MSC_VER <= 1310))
char * (gets)(char * buf) {
    buf = buf;
    fprintf(stderr, "bsafe error: gets() is not safe, use bgets.\n");
    if (bsafeShouldExit) exit(-1);
    return NULL;
}
#endif

char * (strncpy)(char *dst, const char *src, size_t n) {
    dst = dst;
    src = src;
    n = n;
    fprintf(stderr, "bsafe error: strncpy() is not safe, use bmidstr instead.\n");
    if (bsafeShouldExit) exit(-1);
    return NULL;
}

char * (strncat)(char *dst, const char *src, size_t n) {
    dst = dst;
    src = src;
    n = n;
    fprintf(stderr, "bsafe error: strncat() is not safe, use bstrcat then btrunc\n\tor cstr2tbstr, btrunc then bstrcat instead.\n");
    if (bsafeShouldExit) exit(-1);
    return NULL;
}

char * (strtok)(char *s1, const char *s2) {
    s1 = s1;
    s2 = s2;
    fprintf(stderr, "bsafe error: strtok() is not safe, use bsplit or bsplits instead.\n");
    if (bsafeShouldExit) exit(-1);
    return NULL;
}

char * (strdup)(const char *s) {
    s = s;
    fprintf(stderr, "bsafe error: strdup() is not safe, use bstrcpy.\n");
    if (bsafeShouldExit) exit(-1);
    return NULL;
}

#endif
